检 验 项 目
T e s t I t e m
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检 验 标 准
T e s t S t a n d a r d
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检 验 结 果
T e s t r e s u l t
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性状
(Characters)
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白色粉末
(White powder)
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合格
(Conform)
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含量
(Assay)
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97.0%
|
99.2%
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澄清度实验
(Appearance of solution)
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应符合规定
(Comply with the standard)
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合格
(Conform)
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水不溶物
(Water-insoluble)
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0.005%
|
0.002%
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酸性亚硫酸盐(以Na2HSO3计)
(Acid accumulator sulfite(Na2HSO3))
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应符合规定
(Comply with the standard)
|
合格
(Conform)
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游离碱(以Na2CO3计)
(Free alkali(Na2CO3))
|
0.1%
|
0.03%
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氯化物
(Chloride)
|
0.005%
|
0.002%
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硫代硫酸盐(S2O3)
(Thiosulfate(S2O3))
|
0.01%
|
0.004%
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铁
(Iron)
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0.0005%
|
0.0002%
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重金属
(Heavy metal)
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0.001%
|
0.0005%
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砷
(Arsenic)
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0.0001%
|
0.00005%
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结论(Conclusion):符合分析纯之规定(The above product complies with AR)
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